Detailed text transcripts for TV channel - MSNBC - 20150513:18:03:00
Train speed, images from a video camera on the engine and log of when the train's operator used tools like the brake and throttle and horn. we're waiting for the mayor of philadelphia to give us an update again at 2:15. adam experts we've been talking to say analogies like crack the whip or something like that if you're on an ice rink with your friends and you're going around the turns, that this train car resembles something like that because of the high rate of speed and inertia. >> reporter: the wreckage and twisted metal that you see there, it just had to have been going too fast. now you ...